accentColor = colors.gray 
buttonColor = colors.lightGray
backgroundColor = colors.black

width, height = term.getSize()
centerWidth = math.round(width / 2)
centerHeight = math.round(width / 2)
peripherals = peripheral.getNames()
playing = false
if #peripherals < 0 then
	print "No drive"
else
	driveCount = 0
	for n = 1, #peripherals do
		local driveCheck = peripherals[n]
		if peripheral.getType(driveCheck) == "drive" then
			drive = driveCheck
			driveCount = driveCount + 1
		end
	end
	if driveCount > 1 then
		print("Too many disk drives. Specify where the disk drive is with the argument -d")
		os.exit()
	end
end

status = ""

function playDisc()

	if disk.isPresent(drive) and disk.hasAudio(drive) then
        	disk.playAudio(drive)
		status = disk.getAudioTitle(drive)
		playing = true
	elseif disk.isPresent(drive) then
        	print "Not a music disc"
	else
        	print "No disc"
	end
end

function ejectDisc()
	disk.eject()
	
end

function stopDisc()
	if playing == true then
		disk.stopAudio()
		status = "Rhythmblock 0.0.1a"
	else
		status = "No disc is playing"
	end	
end

function renderPlayButton()
	paintutils.drawFilledBox(centerWidth - 5, centerHeight - 5, centerWidth + 5, centerHeight + 5 accentColor)
end